Question

if x:y = 5:8, find (4x-2y) : (7x-3y)
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Answer 1

Answer:

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Step-by-step explanation:

Answer 2

x : y = 5 : 8

= x/y = 5/8

= (x/5 = y/8) = a

= x = 5a, y = 8a

= 4x - 2y : 7x - 3y

= 20a - 16a : 35a - 24a

= 4a : 11a

= 4a/11a

= 4/11

= 4 : 11